Air quality index [µg/m3]:
excellent ≤ 12
good ≤ 36
lightly polluted ≤ 60
moderately polluted ≤ 84
heavily polluted ≤ 120
severely polluted > 120
PM 2.5
[µg/m3]
PM 10
HOUR OPOLSKA ST. ROOF (BEFORE FILTERS)  AIR SUPPLIED TO OFFICES
11009excellentexcellent21excellent
100010excellentexcellent21excellent
090012excellentexcellent31excellent
080016goodexcellent31excellent
070017goodexcellent31excellent
060016goodexcellent31excellent
050014goodexcellent21excellent
040011excellentexcellent21excellent
030010excellentexcellent21excellent
020011excellentexcellent21excellent
010015goodexcellent31excellent
000020goodexcellent31excellent
230017goodexcellent21excellent
220012excellentexcellent21excellent
21007excellentexcellent11excellent
20006excellentexcellent11excellent
19006excellentexcellent11excellent
18004excellentexcellent11excellent
170010excellentexcellent11excellent
16007excellentexcellent11excellent
150011excellentexcellent21excellent
140020goodexcellent21excellent
130074moderately pollutedexcellent21excellent
120024goodexcellent21excellent